Welding Safety Quiz

Which type of radiation from welding arcs can cause 'welder's flash' and skin burns?

• Infrared radiation

• X-rays

• Ultraviolet radiation

• Gamma rays

What is the primary function of the shade number on a welding helmet?

• To protect against fumes

• To indicate the helmet's durability

• To filter out light

• To enhance visibility

Why is it important to wear UV-blocking safety glasses even when not actively welding?

• To protect against debris

• To improve vision in low light

• To block stray UV light from nearby arcs

• To prevent eye strain

Which of the following is NOT typically found in welding fumes?

• Metal particles

• Ozone

• Hexavalent chromium

• Nitrogen

What is the primary defense against welding fumes in a work environment?

• Respirators

• Proper ventilation

• Protective clothing

• Shorter work shifts

Which degree of burn destroys all layers of skin and sometimes underlying tissues?

• First-degree burn

• Second-degree burn

• Third-degree burn

• Fourth-degree burn

In the 'rule of nines' for burn assessment, approximately what percentage of the body surface area does one arm represent?

• 18%

• 9%

• 4.5%

• 27%

What factor does NOT influence the severity of an electric shock?

• Amount of current

• Path through the body

• Duration of contact

• Color of the wire

Why is welding in a wet environment particularly dangerous?

• It can cause equipment malfunction

• Water amplifies the risk of electric shock

• It reduces visibility

• It increases fume production

What should you use to push someone away from an electrical source if they're being shocked?

• A metal rod

• Your bare hands

• A wet towel

• A dry piece of wood